mmc: core: add eMMC hardware reset support

[pandora-kernel.git] / include / linux / mmc / mmc.h

diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index ac26a68..ed8fca8 100644 (file)
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -21,8 +21,8 @@
  *          15 May 2002
  */
 
-#ifndef MMC_MMC_H
-#define MMC_MMC_H
+#ifndef LINUX_MMC_MMC_H
+#define LINUX_MMC_MMC_H
 
 /* Standard MMC commands (4.1)           type  argument     response */
    /* class 1 */
@@ -140,6 +140,16 @@ static inline bool mmc_op_multi(u32 opcode)
 #define R1_SWITCH_ERROR                (1 << 7)        /* sx, c */
 #define R1_APP_CMD             (1 << 5)        /* sr, c */
 
+#define R1_STATE_IDLE  0
+#define R1_STATE_READY 1
+#define R1_STATE_IDENT 2
+#define R1_STATE_STBY  3
+#define R1_STATE_TRAN  4
+#define R1_STATE_DATA  5
+#define R1_STATE_RCV   6
+#define R1_STATE_PRG   7
+#define R1_STATE_DIS   8
+
 /*
  * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
  * R1 is the low order byte; R2 is the next highest byte, when present.
@@ -262,6 +272,7 @@ struct _mmc_csd {
 
 #define EXT_CSD_PARTITION_ATTRIBUTE    156     /* R/W */
 #define EXT_CSD_PARTITION_SUPPORT      160     /* RO */
+#define EXT_CSD_RST_N_FUNCTION         162     /* R/W */
 #define EXT_CSD_WR_REL_PARAM           166     /* RO */
 #define EXT_CSD_ERASE_GROUP_DEF                175     /* R/W */
 #define EXT_CSD_PART_CONFIG            179     /* R/W */
@@ -318,6 +329,9 @@ struct _mmc_csd {
 #define EXT_CSD_SEC_BD_BLK_EN  BIT(2)
 #define EXT_CSD_SEC_GB_CL_EN   BIT(4)
 
+#define EXT_CSD_RST_N_EN_MASK  0x3
+#define EXT_CSD_RST_N_ENABLED  1       /* RST_n is enabled on card */
+
 /*
  * MMC_SWITCH access modes
  */
@@ -327,5 +341,4 @@ struct _mmc_csd {
 #define MMC_SWITCH_MODE_CLEAR_BITS     0x02    /* Clear bits which are 1 in value */
 #define MMC_SWITCH_MODE_WRITE_BYTE     0x03    /* Set target to value */
 
-#endif  /* MMC_MMC_PROTOCOL_H */
-
+#endif /* LINUX_MMC_MMC_H */